论文标题
对XE辐照后带有异种结构的GD陶瓷的细粒度YPO $ _4 $：GD陶瓷的微观结构的调查
Investigation of the microstructure of the fine-grained YPO$_4$:Gd ceramics with xenotime structure after Xe irradiation
论文作者
论文摘要
该论文报告了通过火花等离子体烧结（SPS）方法制备异种结构的陶瓷。磷酸盐y $ _ {0.95} $ gd $ _ {0.05} $ po $ _4 $（ypo $ _4 $：gd）是通过sol-gel方法获得的。合成的纳米圆牛剂的大小为10-50 mkm。陶瓷具有细粒度的微观结构和高相对密度（98.67％）。 SPS过程的总时间约为18分钟。高密度烧结的陶瓷ypo $ _4 $：带有异种结构的GD用Xe $^{+26} $ ions（E = 167 meV）辐射，以$ 1 \ times10^{12} $ -3 \ $ 3 \ $ 3 \ times-times 10^{13} $ cm $ cm $ cm $^{ - 2} $。没有实现最大通量下的完全非晶化。随着通量的增加，观察到无定形层深度的不显着增加。根据放牧XRD（GixRD）的结果，从$ 1 \ times10^{12} $ - $ 3 \ times 10^{13} $ cm $^{ - 2} $增加的量增加了20到70％。 XRD Peak的强度200 YPO $ _4 $：恢复退火后的GD（700 $^\ Circ $ c，18 h）达到了〜80％的初始强度I0的值。
The paper reports on the preparation of xenotime-structured ceramics by the Spark Plasma Sintering (SPS) method. Phosphates Y$_{0.95}$Gd$_{0.05}$PO$_4$ (YPO$_4$:Gd) were obtained by the sol-gel method. The synthesized nanopowders are collected in large agglomerates 10-50 mkm in size. Ceramics has a fine-grained microstructure and a high relative density (98.67%). The total time of the SPS process was approximately 18 min. High-density sintered ceramics YPO$_4$:Gd with a xenotime structure were irradiated with Xe$^{+26}$ ions (E = 167 MeV) to fluences of $1\times10^{12}$-$3\times 10^{13}$ cm$^{-2}$. Complete amorphization at maximum fluence was not achieved. As the fluence increases, an insignificant increase in the depth of the amorphous layer is observed. According to the results of grazing incidence XRD (GIXRD), with an increase in fluence from $1\times10^{12}$-$3\times 10^{13}$ cm$^{-2}$, an increase in the volume fraction of the amorphous structure from 20 to 70% is observed. The intensity of XRD peak 200 YPO$_4$:Gd after recovery annealing (700$^\circ$C, 18 h) reached a value of ~80% of the initial intensity I0.
